Chrome extension iframe Inject a content script with "all_frames": false, in which you set a flag. Some pre-configured inputs in the… So i have this page that is behind an iframe with id gsft main. Dec 14, 2011 · I would like to insert an iframe (frame. 本文介绍了在扩展上，分页的实现，以及如何获取 iframe 中的内容。这是《Chrome 扩展开发》系列的第三篇，也是最后一篇。 一、 分页 扩展所在的页面是一个列表，会有一些商品信息。在点击分页时，在每个商品旁插入… May 30, 2024 · As the user is interacting with the iframed website, it'll trigger logic in the extension, and I want to have the Chrome extension be able to modify the contents of the iframed website. Extensions can also inject content scripts programmatically, see Injecting Scripts for details. Jun 6, 2019 · I would like to hide elements which have a specific attribute inside an iframe. You need just mention URL of the iframe in chrome extension manifest file. This template is Vite + React with builtin popup, options page and Jan 7, 2024 · I am trying to study how websites use a particular Web API by using a Chrome extension that replaces the API with a shim. So if you are injecting iframe from the content script then you can also set the cookie in the same content script. const mainiframe = document. From Chrome extensions to website downloads, learn how to access and enjoy your favorite content offline. . Nov 7, 2012 · I'm developing a chrome extension and bumped into a big problem. sendMessage and without using chrome. Nov 5, 2025 · There are two methods to bypass iframe blocking: By removing X-frame options and adding the frame-ancestor directive to the Content-security policy. It presents some fields in the popup. With this extension, you can easily identify and list all iframes present on the page, copy their URLs to the clipboard, remove unwanted iframes, and export the iframe list to a CSV file. Nov 11, 2022 · I am developing a browser extension that I want to be able to detect the active element within an iframe and paste content in to it using a JavaScript function (held in a content-script of the exte Feb 6, 2024 · Use the chrome. Compatible with modern web security 7 Reasons To Use Iframes in Chrome Extensions In my experience, iframes are a very powerful tool in chrome extension development. tabs will be undefined. It can be an iframe, too, e. Sep 17, 2012 · An explanation of content scripts and how to use them in your Chrome Extension. Only local HTTP header manipulations. The content script might open a channel to the extension page for a specific login, and send a message to the extension for each input element on the page to request the form data to fill in. Use at your own risk. How do i access the content inside iframe? Jun 17, 2013 · The “iframe allow” Chrome extension is designed to give users control over the iframe settings on their browser. com example - the IFRAMEs are part of the original page so Chrome can and will inject into those. Normally such headers prevent embedding a web page in an <iframe> element, but X-Frame-Bypass is using a CORS proxy to allow this. I'm very curious if this is something that can be done using a chrome-extension ? Dec 20, 2016 · Brute force: inject a script in the iframe If you are having trouble accessing the contents of an iframe, the brute force method to do so is to inject a content script directly into the iframe and access the iframe from that content script. Sep 10, 2023 · Iframe Viewer: Open and Translate Iframe Links Iframe Viewer is a Chrome extension developed by nakamine11. Jul 9, 2014 · I want to create a browser extension which creates a sidebar. After everything setup, you can invoke chrome API in Sep 6, 2025 · 本文记述了一次关于chrome扩展开发过程中遇到的挑战，涉及Popup页面保持、iframe元素获取、延迟加载处理、调试难题及错误隐藏技巧。通过实例解析了如何解决在Popup消失后保持状态、获取并操作iframe内容，以及优化调试流程。 コンテンツ スクリプトについての説明と、Chrome 拡張機能でそれらを使用する方法について説明します。 Mar 16, 2024 · Currently I have a chrome extension that on click opens a popup with an iframe in it. I am searc Mar 24, 2025 · 如何在Chrome扩展中嵌入iFrame？本文深入讲解iFrame的使用方法，解析跨域问题及安全注意事项，助你高效开发扩展。 May 11, 2014 · Add context menu items to open a frame or iframe in the current tab, new tab, new window, or incognito window with Open Frame Chrome extension. Jul 22, 2022 · B. Contribute to shaohua/chrome-extension-inject-iframe development by creating an account on GitHub. Use the "host_permissions" key or the "activeTab" permission, which grants temporary host permissions. IFrame Generator is a powerful Chrome extension that allows users to detect if the current So i have this page that is behind an iframe with id gsft main. The iframe currently references a local deployment thru http://localhost:5000. Right click on any iframe to open it up in a new tab. The following example uses the activeTab permission. com/facebook/react/issues/18945 Solution suggested by How can I print the contents of an IFrame via a JavaScript call in Safari/Chrome? This works in Firefox: Jul 14, 2025 · 🚀 iFrame Unlocker – Remove X-Frame-Options & CSPThis demo shows how to use the iFrame Unlocker Chrome Extension to embed websites that normally block iframe X-Frame-Bypass is a Web Component, specifically a Customized Built-in Element, which extends an IFrame to bypass the X-Frame-Options: deny/sameorigin response header. Use these to learn how extensions work or as starting points for building your own extensions. setAttribute ("id", "ext_frame& Oct 10, 2013 · What I really want to do is inject javascript in an iframe within the document. The policy restrictions are straightforward: script must be moved out-of-line into separate JavaScript files, inline event handlers must be converted to use addEventListener, and eval() is disabled. For a complete demo, see the Open Side Panel sample extension. When used wisely, they can save a lot of time and effort, make the extnesion secure and reliable. Content scripts exist in a separate world from the page, so the page's JS can't access your content script's JS environment. Inject into a single frame: You can explicitly specify the frame into which your script is injected by providing the frame ID in your call to chrome. I tried the following co Sep 13, 2017 · Users interacted with the domain to get to the blog, so autoplay is allowed. By embedding a website as opposed to redirecting to a URL, you don't have to wait for the tab to load before typing anything into the search bar. However the script tag loading src/content/main. However, one of the challenges developers often encounter is CSS and JavaScript interference between the extension and the host web page. You can keep the extension unlisted (no one can search for it) or private (people have to be added to a Aug 14, 2013 · I've got this iframe that is working fine on FF, but it doesn't seem to load up on Google Chrome. Following this guide, you’ve learned how to set up a Vue 3 project, configure the manifest. cookies API inject a content script into the active tab (this will Sep 18, 2012 · const port = chrome. Sep 21, 2021 · Requirement is to find elements via chrome extension. iframe is a separate document for the browser, that's why you can use chrome extension and integrate it directly into iframe. Otherwise, chrome. Sep 7, 2025 · In this guide, we will give you all the infomraiton that you need about iFrame in HTML5 along with the browser that support iFrame. Supports listing, adding, and removing IFrames. 6kb! minified Completely customizable CSS that won't conflict with page styles Mount any iframe or React component In order to share your extension with others, publish to the Chrome Web Store. I have a chrome extension. HTML 在谷歌扩展内容脚本中访问iframe内容 在本文中，我们将介绍如何在谷歌扩展的内容脚本中访问iframe元素的内容。谷歌浏览器的扩展提供了强大的功能，可以通过内容脚本对网页进行操作和交互。然而，由于浏览器的安全机制限制，直接在内容脚本中访问iframe元素的内容是被禁止的。我们将通过 Samples Explore samples from the Chrome Extension samples repository. Cookies Cookies provide a way to store key-value pairs associated with a specific domain and path. Should be used only temporarily and only for development, testing, or troubleshooting purposes because it disables important browser security mechanisms. Sep 8, 2017 · I try to send message from an iframe loaded from my extension to my extension (background script or content script). runtime API to retrieve the service worker, return details about the manifest, and listen for and respond to events in the extension lifecycle. Almost pages set x-frame-options to SAMEORIGINE or DENY. * extension API are pages that are run at the extension's origin and within the Chrome extension process. I strongly recommed it over solutions like Shadow DOM or custom elements. Or a user interaction on an extension page or content script, such as clicking a button. Most Chrome video downloader extensions are free to download and use, and they can download embedded videos in no time. Apr 15, 2025 · Freeform Text Copy makes it easy! Simply click the extension icon, then click and drag anywhere on the page (or inside an iframe) to draw a selection box. cookie in the content script will set the cookie on the page, not inside the extension. Contribute to travisblock/chrome-sidebar development by creating an account on GitHub. Sidebar in an iFrame iFrame based sidebar to avoid UI conflicts & allows you to push changes faster as you don't have to go through the web store review process. getURL(myPage). Aug 23, 2024 · If I understand correctly, your chrome-extension:// iframe will be unpartitioned if your extension has host permissions for the top-level site that the iframe is embedded under. However, this breaks on many pages due to Jul 9, 2014 · I want to create a browser extension which creates a sidebar. json: Aug 16, 2022 · How KeyValue used Chrome extension to overcome CORS issue, and bypass content security policy and x-frame-options for iframe website previews. chrome-extension://id/ URLs. How is it possible? Click here to know more details. Is there vetting via google or chromium project? On a side note these plugins seem all over the place with reviews. Extension Pages Policy Chrome enforces a minimum content security policy for extension pages. 🌐 Streamlined Workflow: Simplifies the Jul 28, 2017 · iFrame Allow is a Chrome extension that overrides restrictions, enabling all websites to be displayed in iFrames, even Google and Facebook. IFrame Helper is a free Chrome add-on developed by Narveer Rathore that falls under the category of Browsers, specifically Add-ons & Tools. html which is part of my extension) into the body of a website and then be able to receive click events for two buttons inside it. Identity Platform provides multiple authentication methods to sign in users from a Chrome extension, some requiring more development effort than others. It simplifies the detection, copying, Learn how to display your website inside another website as part of your Chrome extension using iframes. ⏰ Time-Saving: Eliminates manual steps, making iframe inspection and interaction more efficient. Aug 10, 2023 · HiFrame - The Hyper IFRAME extension! / Allow any web page to be embedded as an iframe. Feb 13, 2024 · Developers may add or remove rules for their extension, or use the minimum required content security policy, to fit the needs of their project. tabs I am not able to load an iframe on the background page of a chrome extension. querySelector*, you get the DOM content of your extension HTML. Effortless Navigation: Right-click on any iframe to open its URL in a new tab instantly. How do 2019-02-17 Getting DOM content from Chrome Extension _Photo by James Barnett on _ Unsplash When you trying to get a DOM content in Chrome tab from an extension using document. Then, inject a script with all_frames": true, where the existence of this flag is checked. tsx fails with this error Oct 28, 2024 · Chrome download manager extensions can automatically fetch videos from web pages and generate a download link. Jun 24, 2019 · You can attach event listeners from content scripts. html above. I've tried loading iframe separately on html page and its working so, I think this issue has something to do with chrome Nov 12, 2022 · The iframe is injected correctly into every page and the contents of the iframe also show index. Refererd: https://github. Mar 13, 2012 · 4 I suspect that Chrome will inject your content scripts into an IFRAME that is part of the original page source which is the case with the reddit. tabs API. Manage all cookies for Jun 27, 2024 · Empower your online experience with practical methods to download embedded videos. I would prefer to script and send out changes via AD profile but I Nov 14, 2025 · This document shows you how to use Identity Platform to sign users into a Chrome extension that uses Manifest V3. Chrome does not have a first-class sidebar, and so we must instead put an iframe in the page. For example, because the chrome. Using this repo Adds context menu items to open a frame (or iframe) in the current tab, a new tab, new window, or incognito window. Oct 29, 2024 · The iframe has not configured – see warning in console message signals an issue that will prevent certain components of the website from properly rendering, but you can easily fix this issue. If iframe not working in Chrome or any other browser, disable extensions that interfere in real time with Sep 21, 2021 · Requirement is to find elements via chrome extension. If you think about the extension's structure as a classic Model View Controller, the DOM and event listeners you insert into a page are only the view layer – your application's logic and data model are safe from Apr 10, 2021 · you are right that it is a CORS issue. The web site has an iframe. The following are other ways offscreen documents behave differently from normal pages: Sep 18, 2013 · I have created an iFrame in my Google Chrome Extension popup and applied CSS so it has no border and height: 100%. Below is my manifest. Oct 25, 2014 · The only pages that have access to all chrome. json The Iframe Detector Chrome Extension notifies you with the number of iframe tags found on a given page, and allows you to delete the iframes tags detected. Open the Cookie menu2. Similar to the RPC, but it added callback support. The window popup is designed for pdf's primarily and will pop offset right and narrower than a standard window. This handy tool allows users to efficiently manage and edit all iFrame URLs on the current HTML page. json "content_scripts": [ { "run_at& 3 days ago · Use the chrome. js const open = () => { This extension allows you to embed a full-screen iframe into your new tab page containing a website of your choice. How do i access the content inside iframe? Jan 9, 2025 · This iframe-based approach offers a way to work around security restrictions in modern browser extensions when you need to use third-party JavaScript SDKs. Sep 4, 2020 · 2 Yes, I have read Load iframe content with different user agent but I do not understand how to implement it correctly/it does not work I am trying to create a Iframe with a custom user agent inside a chrome extension, and this is my current code (from other tutorials/answers) Jun 6, 2022 · どんな時？ Extensionを使いたいページで例えば、リンクマウスオーバーでプレビューが出るようなページがあるとする。 そのプレビューがiframeを使って実現されている場合、iframe内でも同様のChrome Extensionを呼んでほしい。 そんな時があるとする Mar 26, 2013 · After lots of Googling and nearly giving up, I came up with the following solution. extension. runtime. Aug 11, 2025 · The extension's permissions carry over to offscreen documents, but with limits on extension API access. Iframe Copy: A Powerful Chrome Extension for Managing Iframes The 'Iframe Copy' Chrome extension provides you with a powerful tool to detect iframes on the current page and perform useful actions with them. 3 days ago · Chrome 116 introduces sidePanel. By default, Chrome blocks third-party iframes for security reasons. This is because the extension sets __REACT_DEVTOOLS_GLOBAL_HOOK__ only on the top level window. If iframe not working in Chrome or any other browser, disable extensions that interfere in real time with Open an iframe in a new tab View iframe content in a larger window. Render the element inside an iframe. In fact, to show just a page, it was a bit hard for me as I needed to google several times, but could achieve it in the end. There's not much fancy stuff going on behind the scenes, it's just an iframe that loads the URL Mar 29, 2018 · I'm working on a Chrome extension to (among other things) support a page with multiple iframes, each of which loads a page from some other domain. The following are other ways offscreen documents behave differently from normal pages: Apr 10, 2015 · How to add style and webfonts to a Chrome Extension content script (CSS) The idea of a content script is a piece of javascript which is inserted onto the page (injected if you will). I tried to build an extension that shows a dedicated section or page, and knew that iFrame might be an option. Jul 9, 2021 · When react app is inside an iframe, dev tool chrome extension for react is not working. I can change the source code of the Jan 26, 2022 · I'm migrating an extension from manifest v2 to manifest v3 (and refactor and redesign) In the old version we were using an iframe within the tab, like this: background. Could someone tell me why this is happening? My iframe: I'm the author of Intab, a Chrome extension that lets you view a link inline as opposed to a new tab. I've already tried it through console (not through extension) but was unable to do so. Feb 4, 2018 · I am able to add HTML/CSS dynamically into the page using a content script. So there isn't a way to define a whitelist natively inside of Chrome or to the registry? I am wondering of the acceptability of a chrome (any browser) plugin security-wise. Dec 1, 2018 · Chrome extension contentscript with iframe "blocked a frame with origin from accessing a cross-origin frame" Asked 6 years, 11 months ago Modified 6 years, 11 months ago Viewed 4k times Chrome extension to display iframe in sidebar. Dec 24, 2024 · Check if page can be embedded in iframe and generate iframe code with customizable options. When do Chrome extensions cause CSP reports? Chrome extension content scripts are normally somewhat isolated from the rest of the page. We also support invoking the chrome API directly in an iframe even though it is cross-origin. I have a chrome extension created to highlight web elements on dom. OCR stands for Opitical Character Recognition. When I go to some sites (but not all), the LastPass Chrome browser extension creates an invisible iframe that block clicks on the right side of the site in the browser window. Open an iframe in a new tab or window Adds a context menu to iframes to enable them to be opened in either a popup window or tab. May 23, 2017 · How to access an iframe from chrome extension? Asked 8 years, 6 months ago Modified 8 years, 5 months ago Viewed 4k times May 18, 2020 · When react is inside an iframe, chrome extension for react devtools fails to detect react. Oct 1, 2023 · iFrame Allow: Bypassing X-Frame-Options for Seamless iFrame Display iFrame Allow is a free Chrome extension developed by littlen4 that falls under the category of Browsers, specifically Add-ons & Tools. In the extension's manifest, I set up a content script that is injected int Learn how to sync your browsers login session with the built-in iframe in the TradingView watchlist section. The 'Iframe copy' extension is a useful tool for developers, web designers, or anyone interested in exploring and manipulating iframes on a web page. createElement ('iframe') mainiframe. When an extension page is embedded in an iframe, its extension runtime is equivalent to a content script: The page can only use cross-origin XMLHttpRequest and some of the extension APIs (messaging and some other methods in the chrome. Extension opens from the side. The main purpose of this project is to develop a Chrome Extension. It allows extensions to open the side panel through an extension user gesture, such as clicking on the action icon. The created Iframe is loaded from the extension via a content script. com iFrame, would work? Sep 25, 2012 · Sandboxed frames are forced into a unique origin. This extension can recognize characters in images on the web. Chrome extension to track static and dynamic iframe creations and sniffing on exchanged postMessages () between them. connect({name: "example"}); One potential use case for a long-lived connection is an automatic form-filling extension. 🛠️ Developer's Toolbox: A valuable tool for developers to enhance workflow. Oct 23, 2015 · Since iframe. The inner iframe inherits the sandbox flags of it's parent, meaning that it too is forced into a unique origin. B isolates the element well and is the go-to technique of many old browser extensions. Aug 10, 2023 · The "content_scripts" key specifies a statically loaded JavaScript or CSS file to be used every time a page is opened that matches a certain URL pattern. Manifest These are the supported keys for "content_scripts". I need to send a msg to the page loaded a specific May 14, 2021 · I have a content script from a chrome extension inserting an iframe into a website like so. I want to paste text into the input fields inside this iframe. Are you trying to inject the content script into an iframe within the popup for your own extension or some other extension? It is implied that it is your own by the existence of a popup. Build a bridge between the iframe and the main window; it allows the iframe to cross-origin invoke functions in the main window. scripting API, declare the "scripting" permission in the manifest plus the host permissions for the pages to inject scripts into. Chrome enterprise policies It is possible to change the autoplay behavior with Chrome enterprise policies for use cases such as kiosks or unattended systems. Running into problems wit This is a chrome extension for an in-broswer OCR. However, this breaks on many pages due to Simplify development: Open iframe URLs in a new tab instantly with Iframe QuickLink. This disables pages to display the external pages in iframes. However, the iframe container can be hard to work with when trying to blend the injected component seamlessly into the website. It is equivalent to specifying the following policy in your manifest: Apr 20, 2022 · Manage how your page and embedded third-party iframes access to browser features. Want to remove all iframes on a website? Auto Iframes Remover automatically finds and removes or stops all iframes from loading on websites. Aug 30, 2024 · Introduction Chrome extensions are powerful tools that enhance user experiences by integrating seamlessly with existing web applications. This free tool falls under the category of Browsers, specifically Add-ons & Tools. Mar 26, 2013 · After lots of Googling and nearly giving up, I came up with the following solution. runtime chrome extension inject a script into an iframe. You can also use this API to convert the relative path of URLs to fully-qualified URLs. manifest. I've made a Chrome Extension that loads my New Tab page with an <iframe> of my YouTube subscription page (I got around the X-frame-options issue) and want to isolate a specific element of the document, #content to be exact (that being the subscription feed). Nov 12, 2015 · Setting document. Dec 28, 2022 · CSP of an extension applies only to its own pages i. g. View embedded content larger and clearer using the Iframe In New Tab Chrome extension. Frames In the case of MozBar an embedded iframe is blocked. Content Script Sidebar Build a sidebar extension which can be accessed from the current web page and stays open as long as the page is not refreshed. You can then apply frame-specific logic to 在 Chrome Extension 中，為了避免樣式或其他原因造成的干擾，很常使用的一種技巧是透過 content script 在網頁中注入 iframe，而 iframe 的 src 則帶入 chrome extension 的 html 檔。 Sep 18, 2012 · Chrome's extension system enforces a fairly strict default Content Security Policy (CSP). ScratchTools is fully customizable with tons of features, all for making the Scratch website better and easier to use! Jun 7, 2022 · I am not completely familiar with the way it works, but maybe using a Chrome extension sandboxed page as an iFrame and within it, embedding an https://my-url. No custom options or installation instructions: just install the extension and enable it on the relevant websites Jun 11, 2021 · Recently I worked on developing a Chrome Extension. Of course, when I tried to do this the naive way by having the extension code try to get info about the iframe, I can't because of the cross-origin nature. Apr 13, 2022 · Securely embed content on your site Stay organized with collections Save and categorize content based on your preferences. Jul 29, 2021 · Accordingly the normal on-page scripts no longer load correctly. To work with this addon, please open the toolbar popup and then click on the toggle button on the left side. Here is my code: const myIFrame = ` <i Play around with IFrames on web pages. Feb 17, 2024 · This Chrome extension offers a solution for websites that encounter difficulties when attempting to display their content within iframes. e. Chrome の拡張機能システムでは、かなり厳格なデフォルトの コンテンツ セキュリティ ポリシー（CSP） が適用されます。ポリシーの制限は単純です。スクリプトは行外に配置し、 JavaScript ファイルとインライン イベント ハンドラは、 addEventListener を使用するように変換する必要があります。 eval Apr 10, 2015 · How to add style and webfonts to a Chrome Extension content script (CSS) The idea of a content script is a piece of javascript which is inserted onto the page (injected if you will). If the flag does not exist, assume that the content script is running in a frame. By enabling seamless integration, users can now effectively showcase external website content within iframes without encountering display issues. Mar 31, 2024 · Looking for user reviews for the Chrome extension HiFrame - The Hyper IFRAME extension!? Discover feedback and ratings from users who have used HiFrame - The Hyper IFRAME extension!. It uses an injected content script to send a message back to the extension once the correct page has loaded. We recognize, however, that a variety of libraries use eval() and eval -like constructs such as new Drops X-Frame-Options and Content-Security-Policy HTTP response headers, allowing all pages to be iframed. Let's say we want to load a Google font on a page with a strict Content Security Policy. To be clear, that iframe doesn't belong to the same domain as the document. Jul 1, 2022 · Open any iframe content in a new tab with one right-click. The extension is quite simple. html in your browser_action, but not explicitly stated. Aug 11, 2025 · This means that, for example, if site A is embedded using an iframe in site B and site C, the embedded versions of a partitioned cookie from A can have different values on B and C. But I tried adding an iframe tag, and ran into a little bit of trouble. A chrome extension that lets the user drop X-Frame-Options and Content-Security-Policy HTTP response headers for special sites, allowing advanced development and pages to be iframed. The extension intelligently copies only the text visually located within that box, directly to your clipboard. Make an informed decision and find out what others think about this Chrome extension. js is a content script, you should send the message with chrome. Develop your extension in an iframe. Add new features to your browser and personalize your browsing experience. When active, the extension automatically starts removing iframes the moment you start loading a website and continues to remove all iframes including those that may Jul 22, 2024 · Conclusion Building a Chrome extension using Vue 3 and Vite and the CRXJS Vite plugin offers a modern and efficient development workflow. For the html5video link the IFRAME is not part of the original source. I'm using content scripts to inject my javascript code on a web site. Popup Overview ignore x-frame-options ignore-x-frame-options is a chrome extension that drops x-frame-options and content-security-policy in HTTP request headers and enables pages to include external pages in iframes. This extension will automatically remove all iframes on all websites when the page loads. However, it appears with a limited height and shows a vertical scrollbar. Kickstart your chrome extension development. However, the blog needs to explicitly delegate that privilege to the iframe in order for the content to autoplay. json for Chrome extension requirements, and build a basic extension with a popup and an iframe. We use iframe to load your page in the extension. runtime API is the only extensions API supported by offscreen documents, messaging must be handled using members of that API. inside the offscreen document. Dec 16, 2014 · I'm appending an iframe to a page using content script with src set to chrome. json "content_scripts": [ { "run_at& Add new features to your browser and personalize your browsing experience. Only the "matches" key and either "js" or "css" are required. Its main function is to list all iframe links found on a web page and provide the option to open them in a separate tab. In case you want to set a cookie from the popup/background script of your extension without using chrome. Learn how to use Coframe's website viewer, including the iframe, grid view, mobile view, and DOM inspector This repo contains files for a Chome Extension. getElementBy* or document. Later on some event, I want to retrieve some element from the frame. The address bar will keep its focus (unlike on redirect), allowing you to start typing immediately without having to click anything That's not possible: A content script cannot access any of the page's window object (including frames). See a video tutorial and a code snippet with a workaround for content security policy. Sep 28, 2023 · If a page with the chrome-extension:// scheme includes an iframe, and the extension has host permissions for the site it is embedding, that site will also have access to its top-level partition. For example, I want to hide all elements with attribute load-ads-json-from, and there is an element <div load-ads- I was able to reproduce this, but not via my own test extension and test page (my test extension is minimal, and my test page simply contained an iframe, a form targeting the iframe with action = a chrome-extension resource, and submitted the form in the onload handler. This extension enables you to remove the x-frame-options from the HTTP response header. The extension allows you to see additional information on iframes with ‘src’ attributes defined, and highlights those with ‘src’ attributes outside of the current domain. Aug 11, 2025 · Manifest To use the chrome. 1. open(). This article explores a few approaches to mitigate these issues, with a focus on leveraging React, Shadow DOM, and best Feb 23, 2016 · I've made a Chrome Extension that loads my New Tab page with an <iframe> of my YouTube subscription page (I got around the X-frame-options issue) and want to isolate a specific element of the document, #content to be exact (that being the subscription feed). yldc ijzkgfn kusmbe akr kocwnoo icdm lor dawp jjwsp jrdrzg iwbst oetke vouz qort dhowrw